Do I need to spray foam the ceiling of my crawl space to help winterize it?

Sheilagh Thompson
Updated: Jan. 22, 2021

I have a 600 sq foot cottage and would like to winterize the crawl space. Every winter I have the water turned off to keep the pipes from freezing.  The crawlspace is on concrete blocks and a concrete floor.  I cannot put a gas furnace in it as it doesn't meet the code---only 30" deep.  If I have the spray foam done should that include the ceiling of the crawl space?

I need a solution so I can use the cottage in the winter and keep the pipes from freezing. Any suggestions would really be appreciated.  Thank you.

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